int diskarb_unmount( const char * dir, int flags )
{
int status;
status = -1;
if ( dir )
{
DASessionRef session;
session = DASessionCreate( kCFAllocatorDefault );
if ( session )
{
CFURLRef path;
path = CFURLCreateFromFileSystemRepresentation( kCFAllocatorDefault, ( void * ) dir, strlen( dir ), TRUE );
if ( path )
{
DADiskRef disk;
disk = DADiskCreateFromVolumePath( kCFAllocatorDefault, session, path );
if ( disk )
{
DADiskUnmountOptions options;
options = kDADiskUnmountOptionDefault;
if ( ( flags & MNT_FORCE ) )
{
options |= kDADiskUnmountOptionForce;
}
DASessionScheduleWithRunLoop( session, CFRunLoopGetCurrent( ), kCFRunLoopDefaultMode );
DADiskUnmount( disk, options, __diskarb_unmount, &status );
if ( status == -1 )
{
CFRunLoopRun( );
}
status = status ? -1 : 0;
DASessionUnscheduleFromRunLoop( session, CFRunLoopGetCurrent( ), kCFRunLoopDefaultMode );
CFRelease( disk );
}
CFRelease( path );
}
CFRelease( session );
}
}
return status;
}
QString DeviceInfo::deviceId() const
{
QString uuid;
DADiskRef disk;
CFDictionaryRef descDict;
DASessionRef session = DASessionCreate(NULL);
if (session)
{
const char *mountPoint = "/";
CFURLRef url = CFURLCreateFromFileSystemRepresentation(NULL, (const UInt8 *)mountPoint, strlen(mountPoint), TRUE);
disk = DADiskCreateFromVolumePath(NULL, session, url);
CFRelease(url);
if (disk)
{
descDict = DADiskCopyDescription(disk);
if (descDict)
{
CFTypeRef value = (CFTypeRef)CFDictionaryGetValue(descDict,
CFSTR("DAVolumeUUID"));
CFStringRef strValue = CFStringCreateWithFormat(NULL, NULL,
CFSTR("%@"), value);
uuid = QString::fromCFString(strValue);
CFRelease(strValue);
CFRelease(descDict);
}
CFRelease(disk);
}
CFRelease(session);
}
QCryptographicHash hash(QCryptographicHash::Sha224);
hash.addData(uuid.toLatin1());
return QString::fromLatin1(hash.result().toHex());
}
